Midwest Industries SP Series 10.50″ M-LOK Handguard

The Midwest Industries SP Series M-LOK Handguard is a one-piece free-float design built for durability and modularity. Constructed from 6061 aluminum with a hard coat anodized finish, it features a full-length MIL-STD 1913 top rail and M-LOK mounting slots along multiple flats. The internal profile is sized to provide clearance for a sound suppressor, and the package includes mounting hardware plus a five-slot M-LOK polymer rail section. Made in the USA, the SP Series is intended for shooters assembling modular AR platforms.

Key Specifications

• The inside diameter is 1.75 inches.
• The outside diameter is 2.0 inches.
• The top rail conforms to MIL-STD 1913 specifications.
• M-LOK attachment slots are provided on seven flats along the handguard.
• Constructed from 6061 aluminum with a hard coat anodized finish.
• The handguard ships with one five-slot M-LOK polymer rail section.
• Includes a barrel nut and a barrel nut wrench for installation.
• The listed weight is 11.2 oz.
• Manufactured in the USA.

The SP Series M-LOK handguard offers a clean, rigid mounting platform for accessories and optics while providing the internal clearance often required for suppressed setups. Its one-piece free-float construction and MIL-STD 1913 top rail keep accessory placement repeatable, and the durable anodized finish is specified for long-term service. For builders seeking a robust, modular handguard that supports modern accessory standards, the SP Series delivers a solid foundation.